Modelos de simulación para cereales forrajeros en el sur de Nuevo León, México
DOI:
https://doi.org/10.59741/agraria.v7i1-2-3.431Keywords:
prediction, calibration, barley, wheat, triticale, DSSATAbstract
The use of simulation models in agriculture is an alternative in the decision making process, in order to lower the researching costs, and to help reducing economic and production risks, since they summarize interactions among the factors of a productive process. In fodder cultures they are a tool useful to predict the behavior of both, growth and yield, and to help understanding the physiological plant-atmosphere relations. This work was per formed with the aim of calibrating the DSSAT 4.0.2.0 software for barley, wheat and triticale cultures in the South of the Mexican state of Nuevo León. The field experiment was established in the experimental station of Navidad, in Galeana, N. L., Mexico, belonging to the Autonomous Agrarian University Antonio Narro (UAAAN). The genetic materials to be evaluated were: NARRO-92-05 barley (Hordeum vulgare), AN-239 wheat (Triti cum aestivum), and AN-125, and AN-31-B Eronga triticale (X: Triticosecale Wittmack) under a completely randomized block design. The sowing took place in the spring-summer cycles 2007 and 2008. Program DSSAT 4.0.2.0 was parameterized within each of its modules and later on it was calibrated by the manipulation of genetic coefficients. The calibration and validation of the barley, wheat, and triticale models in the DSSAT 4.0.2.0 software for the genotypes and region of study, were performed satisfactorily, and the models had the capacity to simulate values with a good level of precision, when compared to the observed ones. It may, so, be concluded that, the usage of simulation models of DSSAT 4.0.2.0 software, is suitable to predict growth and yield of fodder cultures.
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